Walter Martino
type: MusicGroup
popularity: 13
followers: 183
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa65d38168a2ec71b0e6e39333f14b02df87e5a7ed13a58f3dd6730095c99cd69
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953612
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953612
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/153f6eff-04b2-454e-b629-8d56b5b68dea.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/153f6eff-04b2-454e-b629-8d56b5b68dea.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/153f6eff-04b2-454e-b629-8d56b5b68dea
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T08:22:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa65d38168a2ec71b0e6e39333f14b02df87e5a7ed13a58f3dd6730095c99cd69","name":"Walter Martino","registered_at":"2026-06-14T06:40:25Z","symbol":"NIM0369996","token_address":"0xaf1f97acb986a4ed3fc2989739e3a5e3de1bdbc6","type":"artist","uuid":"153f6eff-04b2-454e-b629-8d56b5b68dea"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa65d38168a2ec71b0e6e39333f14b02df87e5a7ed13a58f3dd6730095c99cd69. Chain 2 (Bitcoin): anchored in block 953612 (2026-06-14T08:22:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/153f6eff-04b2-454e-b629-8d56b5b68dea.json and https://artists.proofprofile.net/proofs/artist/153f6eff-04b2-454e-b629-8d56b5b68dea.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T08:22:11Z
  text: {"copyright_id":"0xa65d38168a2ec71b0e6e39333f14b02df87e5a7ed13a58f3dd6730095c99cd69","name":"Walter Martino","registered_at":"2026-06-14T06:40:25Z","symbol":"NIM0369996","token_address":"0xaf1f97acb986a4ed3fc2989739e3a5e3de1bdbc6","type":"artist","uuid":"153f6eff-04b2-454e-b629-8d56b5b68dea"}
album: Walter Martino
  type: MusicAlbum
  date published: 1980-01-01